Native Plants: El Cajon vs San Diego
How do native plants rules compare between El Cajon, CA and San Diego, CA?
El Cajon and San Diego have similar restriction levels.
El Cajon, CA
San Diego County
El Cajon encourages drought-tolerant and native landscaping consistent with California's Model Water Efficient Landscape Ordinance (MWELO). New landscapes over 500 square feet must comply with MWELO water-use calculations. California law (Gov Code 65595) prohibits cities from banning drought-tolerant landscaping.
View full El Cajon rules →San Diego, CA
San Diego County
San Diego encourages native plant landscaping through the County's Native Landscape Program approved in December 2022 and the San Diego County Water Authority's Nifty 50 guide of water-wise native plants. The City's Model Water Efficient Landscape Ordinance (MWELO) promotes drought-tolerant landscaping. Native plants support local biodiversity and are adapted to the region's Mediterranean climate.
View full San Diego rules →Key Facts Comparison
| Fact | El Cajon | San Diego |
|---|---|---|
| MWELO | Applies to new landscapes 500+ sq ft | Model Water Efficient Landscape Ordinance applies |
| State Protection | Cannot ban drought-tolerant plants | - |
| Water District | Helix Water District — rebates available | - |
| Climate Zone | USDA 10a — hot inland valley | - |
| AB 1572 | No potable water on commercial turf | - |
| Native Landscape Program | - | County program approved December 2022 |
| Nifty 50 Guide | - | SDCWA's recommended water-wise native plants |
| Rebates | - | Extra $1/sq ft for native plants in turf replacement |
| Benefits | - | Biodiversity, drought tolerance, reduced water use |
Highlighted rows indicate differences between cities.
El Cajon FAQ
Can I replace my lawn with native plants in El Cajon?
Yes. California law protects your right to install drought-tolerant landscaping. The Helix Water District may offer rebates for turf-to-native conversions.
What native plants grow well in El Cajon?
El Cajon's hot inland climate supports California buckwheat, sage species, manzanita, toyon, and native bunch grasses. The Helix Water District provides plant lists for the service area.
Does MWELO apply to my landscaping project?
MWELO applies to new or renovated landscapes exceeding 500 square feet. Smaller projects and existing landscapes are exempt from MWELO calculations.
San Diego FAQ
Does San Diego require native plants in new landscaping?
Not strictly required, but the MWELO strongly encourages water-efficient landscaping. The Waterscape Rebate Program provides an additional $1/sq ft bonus for California native plants in turf replacement projects.
Where can I find recommended native plants for San Diego?
The San Diego County Water Authority publishes the Nifty 50 guide listing attractive, non-invasive, water-wise native plants suited to the region.
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